Maintenance accessible through front. Pre-assembled powder coated steel frame. 3.9 ft. installation height. Bowl rim height adjustments 15" to 19". Dual flush. Depth adjustable. Tank insulated to prevent condensation. 1/2"Water supply connection. EPA Water Sense® compliant (when used with EPA Water Sense® approved bowl). Low noise operation - meets strict European noise (DIN) standards. Compliance codes ASME/ANSI A112.18.1M and CSA Standard B125.1-05.